2181 2002 2002 eng conferenceobject INRIA Paris, France 0 -- -- -- A nonlinear soft tissue model for craniofacial surgery simulations Proc. of Modeling and Simulation for Computer-aided Medicine and Surgery (MS4CMS Evgeny Gladilin Stefan Zachow Peter Deuflhard Hans-Christian Hege Numerical Mathematics Computational Medicine Deuflhard, Peter Hege, Hans-Christian Zachow, Stefan